What heart problem would be experienced by an individual whose ecg is seen at c?
a. ecg tracings showing normal and various abnormal rhythms.
b. the atria are not pumping blood.
c. the ventricles are not reaching systole in every cardiac cycle.
d. the heart is not pumping any blood at all.
e. the heart would pump with too much pressure (hypertension).

The ventricles are not reaching systole in every cardiac cycle.

Explanation:

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.